21628932

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{138647}}^1$

素因数の和:138667

約数の個数: 24

約数和(自身を含む): 54350016

約数和(自身を除く): 32721084

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 138647, 277294, 415941, 554588, 831882, 1663764, 1802411, 3604822, 5407233, 7209644, 10814466, 21628932]

約数ペア:

[(1, 21628932), (2, 10814466), (3, 7209644), (4, 5407233), (6, 3604822), (12, 1802411), (13, 1663764), (26, 831882), (39, 554588), (52, 415941), (78, 277294), (156, 138647)]